/* Карточка установки PWA (подключается к любой странице с pwa-install.js) */
#pwa-install-banner {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99999;
    padding: 12px;
    padding-bottom: max(12px, env(safe-area-inset-bottom));
    display: flex;
    justify-content: center;
    pointer-events: none;
}

#pwa-install-banner .pwa-install-card {
    pointer-events: auto;
    width: min(420px, calc(100vw - 24px));
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    box-shadow: 0 -4px 24px rgba(102, 126, 234, 0.25), 0 8px 32px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(102, 126, 234, 0.2);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    animation: pwa-slide-up 0.35s ease-out;
}

@keyframes pwa-slide-up {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#pwa-install-banner .pwa-install-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, #6b8cff 0%, #3d9b8c 100%);
    align-self: flex-start;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

#pwa-install-banner .pwa-install-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

#pwa-install-banner .pwa-install-text strong {
    font-size: 1.05rem;
    color: #333;
}

#pwa-install-banner .pwa-install-text span {
    font-size: 0.82rem;
    color: #666;
    line-height: 1.4;
}

#pwa-install-banner .pwa-install-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

#pwa-install-banner .pwa-install-btn {
    flex: 1;
    min-width: 120px;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

#pwa-install-banner .pwa-install-btn-primary {
    background: linear-gradient(135deg, #6b8cff 0%, #3d9b8c 100%);
    color: #fff;
    box-shadow: 0 4px 14px rgba(102, 126, 234, 0.35);
}

#pwa-install-banner .pwa-install-btn-primary:active {
    transform: scale(0.98);
}

#pwa-install-banner .pwa-install-btn-ghost {
    background: #f0f0f5;
    color: #555;
}